From: Stephen Hemminger <step...@networkplumber.org>
Date: Mon, 24 Apr 2017 18:33:38 -0700
> My change (introduced in 4.11) to use find_first_clear_bit
> incorrectly assumed that the size argument was words, not bits.
> The effect was only a small limited number of the available send
> sections were being actually used. This can cause performance loss
> with some workloads.
>
> Since map_words is now used only during initialization, it can
> be on stack instead of in per-device data.
>
> Fixes: b58a185801da ("netvsc: simplify get next send section")
> Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
Applied, thanks.
